diff --git a/.github/workflows/ci-prb.yml b/.github/workflows/ci-prb.yml
index d1614f27..b330db43 100644
--- a/.github/workflows/ci-prb.yml
+++ b/.github/workflows/ci-prb.yml
@@ -16,7 +16,7 @@ jobs:
         os: [ ubuntu-latest ]
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Set up JDK ${{ matrix.java }}
         uses: actions/setup-java@v5
         with:
diff --git a/.github/workflows/ci-release-javadocs.yml b/.github/workflows/ci-release-javadocs.yml
index 943620ae..9c417907 100644
--- a/.github/workflows/ci-release-javadocs.yml
+++ b/.github/workflows/ci-release-javadocs.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Set up JDK 21
         uses: actions/setup-java@v5
         with:
diff --git a/.github/workflows/ci-release.yml b/.github/workflows/ci-release.yml
index ee307c34..f790bcb6 100644
--- a/.github/workflows/ci-release.yml
+++ b/.github/workflows/ci-release.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Set up JDK 21
         uses: actions/setup-java@v5
         with:
diff --git a/.github/workflows/ci-snapshot.yml b/.github/workflows/ci-snapshot.yml
index 7feb57af..34672e55 100644
--- a/.github/workflows/ci-snapshot.yml
+++ b/.github/workflows/ci-snapshot.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Set up JDK 21
         uses: actions/setup-java@v5
         with:
diff --git a/.github/workflows/gradle-wrapper-validation.yml b/.github/workflows/gradle-wrapper-validation.yml
index f60cf646..b3e04ee6 100644
--- a/.github/workflows/gradle-wrapper-validation.yml
+++ b/.github/workflows/gradle-wrapper-validation.yml
@@ -7,5 +7,5 @@ jobs:
   validation:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: gradle/wrapper-validation-action@v3.5.0